United States, 1986 to 2066
43 dated events in ten lanes, from 1990 to 2029: how road vehicles in United States are powered, regulated, certified, traded and used, and what is already dated ahead.
Heavy-duty engine NOx limit of 0.035 g/hp-hr from model year 2027
Set in Dec 2022 to cut truck NOx by nearly 90%. A July 2026 proposal keeps the limit but would restore shorter warranties and delay longer useful-life rules to MY2030.
Trucks, busesdieselnet.com
Where it stands on 1 November 2026
How vehicles are approved
Self-certification: makers certify to FMVSS (NHTSA audits and recalls) and obtain EPA emission certificates of conformity.
Emission stages in force
Cars: Tier 3 (Tier 4 due MY2027, proposed MY2029); motorcycles: Tier 2 (2010); trucks/buses: 2010 limits until 0.035 g NOx in MY2027; tractors: Tier 4 final; no CO2 limits since Feb 2026.
Safety rules and ratings
ESC since 2011 and rear cameras since 2018; AEB due Sep 2029; NHTSA 5-Star NCAP (ADAS checks from MY2027).
Zero-emission target
None official (California ACC II waiver revoked 2025; federal GHG standards repealed 2026)
Net zero
None
Market
About 16.2 million new light vehicles sold in 2025, up 2.4%, battery EVs 7.7% (NADA); 10.24 million vehicles built in 2025 (OICA data via Wikipedia).
Fuel and charging
Gasoline averaging 10 ppm sulphur and 15 ppm diesel; E15 year-round in eight Midwest states, elsewhere under summer waivers; NEVI charger funds restored by court in Jan 2026.
End of life
No federal end-of-life vehicle or EV-battery EPR law; the 1996 Battery Act covers small batteries; state rules vary.
Rulebook: US standards
US federal standards, self-certified. Not a party to the UN 1958 Agreement, but a party to the 1998 Agreement.
Also on this rulebook: Canada.
Every event, lane by lane
43 events in time order within each lane.
Powertrain and batteriesTechnology
GM EV1 electric car goes on lease in California and Arizona
Deliveries began on 5 Dec 1996 at 26 Saturn stores in Los Angeles, San Diego, Phoenix and Tucson; 36-month leases cost about $480-$640 a month after incentives.
Carswardsauto.com
Tesla Roadster: first production EV with lithium-ion cells
Delivered from 2008, the Tesla Roadster was the first production electric car to use lithium-ion battery cells and the first with over 200 miles of range per charge.
First Chevrolet Volt and Nissan Leaf deliveries
The first Nissan Leaf went to a California buyer around 10 Dec 2010 and the first Chevrolet Volt was handed over in New Jersey on 15 Dec 2010; GM shipped its first 360 Volts that week.
EVs reach a record 10.5% of US new-car sales
In Q3 2025 Americans bought over 438,000 EVs, 10.5% of new cars, as buyers rushed to claim the $7,500 federal tax credit before it ended on 30 Sep 2025.
Carskbb.com
None for the vehicle you picked.
Software, data and automationTechnology
California allows driverless testing and deployment permits
From 2 Apr 2018 California DMV rules allow Level 4-5 testing with no driver if a remote operator is linked, and deployment permits that need a data recorder and cyber-attack certification.
Cars, vans and pickupsdykema.com
NHTSA orders crash reports for automated and Level 2 systems
Standing General Order first issued in 2021; the third amendment (24 Apr 2025, effective 16 June 2025) keeps 5-day reports for the worst crashes and monthly reports for others.
Cars, vans and pickups, trucks, busesnhtsa.gov medium confidence
First Level 3 automated-driving approvals (Nevada, California)
Nevada certified Mercedes-Benz Drive Pilot in January 2023 and California followed in June; it drives itself in dense freeway traffic at up to 40 mph.
Carsbusinesswire.com
Ban on Chinese and Russian connected-vehicle technology
Commerce rule of 14 Jan 2025 (in force 17 Mar 2025) bars covered software from model year 2027 and hardware from MY2030 in vehicles under 10,001 lb; annual declarations required.
Cars, vans and pickupsbis.gov
NHTSA AV framework streamlines crash reporting and exemptions
On 24 Apr 2025 NHTSA kept but streamlined its crash-reporting Standing General Order and opened the Automated Vehicle Exemption Program to US-built vehicles, not only imports.
Cars, vans and pickups, trucks, busestransportation.gov
NHTSA exempts Zoox robotaxi without manual controls
Exemption 2026-01, issued 28 Jul 2026, waives parts of eight FMVSS for Zoox's ADS ride-hail vehicle with no manual controls, up to 2,500 units a year, valid to 31 Jul 2028.
Driverless trucks win five-year exemption from warning-triangle rule
FMCSA on 9 Oct 2026 let Aurora and other Level 4 truck carriers use cab-mounted beacons instead of warning triangles, after about 500,000 miles under waivers.
None for the vehicle you picked.
Energy and infrastructureTechnology
Ultra-low sulphur diesel (15 ppm) for highway vehicles
15 ppm diesel required from June 2006, enabling 2007 particulate filters; off-road diesel followed at 500 ppm in 2007 and 15 ppm in June 2010.
Vans and pickups, trucks, busesdieselnet.com medium confidence
Year-round E15 starts in Midwest states; Ohio delays, then keeps E10 waiver
From 28 April 2025 year-round E15 applied in Illinois, Iowa, Minnesota, Missouri, Nebraska, Wisconsin and all but nine South Dakota counties; Ohio was delayed to 2026, then had its E10 waiver restored.
Cars, vans and pickupsepa.gov
Court orders release of frozen NEVI charging funds
DOT froze the $5bn NEVI fast-charger programme in Feb 2025; funds resumed in Aug 2025 and a 23 Jan 2026 judgment bars DOT from withholding them in all 50 states.
Cars, vans and pickupselectrek.co
None for the vehicle you picked.
Emissions and climateRegulation
Clean Air Act Amendments signed
Signed 15 Nov 1990. They set Tier 1 car and light-truck limits (phased in 1994-1997), required reformulated gasoline in the smoggiest cities and framed a later Tier 2 review.
All vehiclesepa.gov medium confidence
Tier 2 emission standards phase in
Adopted 21 Dec 1999 and phased in over 2004-2009; the limits were extended to medium-duty passenger vehicles of 8,500-10,000 lb GVWR.
Cars, vans and pickupsdieselnet.com
Tier 1 motorcycle limits add a NOx cap
EPA's January 2004 rule replaced the 1978 limits: Tier 1 from MY2006 caps HC+NOx at 1.4 g/km, and Tier 2 from 2010 cuts large motorcycles to 0.8 g/km and requires low-permeation fuel tanks.
Two- and three-wheelerstransportpolicy.net
Joint EPA-NHTSA CO2 and fuel-economy rule for 2017-2025
Issued August 2012: about 163 g/mi CO2 (54.5 mpg-equivalent) projected for model year 2025, after the April 2010 rule set 250 g/mi for MY2016.
Cars, vans and pickupsdieselnet.com
Tier 4 final limits for off-road diesel engines
Under the May 2004 rule, final NOx and PM limits applied to most 56-560 kW engines by 2014 and to engines above 560 kW in 2015; 15 ppm off-road diesel came in June 2010.
Tractors and machinerydieselnet.com
EPA standards for model years 2027-2032 adopted
Adopted 20 Mar 2024: fleet CO2 to fall to 85 g/mi by MY2032, plus Tier 4 pollutant limits from MY2027. All the CO2 limits were repealed in February 2026.
Cars, vans and pickupsdieselnet.com
Congress revokes California's clean-car and clean-truck waivers
Resolutions signed 12 June 2025 void EPA waivers for California's Advanced Clean Cars II (ZEV sales rules), Advanced Clean Trucks and Omnibus low-NOx truck rules.
Cars, vans and pickups, trucks, buseswhitehouse.gov
Fuel-economy (CAFE) penalties cut to zero
The One Big Beautiful Bill Act, enacted 4 July 2025, sets the civil penalty for missing car and light-truck CAFE standards at $0.00; the standards and reporting duties remain.
Cars, vans and pickupsenvironmentalhealthsafetybrief.sidley.com
EPA repeals the 2009 endangerment finding and vehicle CO2 rules
Final 12 Feb 2026 (published 18 Feb): all greenhouse-gas standards for light-, medium- and heavy-duty highway vehicles and engines are removed; pollutant rules are untouched.
Cars, vans and pickups, trucks, busesepa.gov
CAFE standards reset to about 34.9 mpg by 2031
NHTSA's 'SAFE III' final rule (published 30 Sep 2026) resets MY2022-2031 targets; credit trading ends from MY2028 and crossovers move to the car fleet from MY2030.
Cars, vans and pickupsdieselnet.com medium confidence
Heavy-duty engine NOx limit of 0.035 g/hp-hr from model year 2027Dated ahead
Set in Dec 2022 to cut truck NOx by nearly 90%. A July 2026 proposal keeps the limit but would restore shorter warranties and delay longer useful-life rules to MY2030.
Trucks, busesdieselnet.com
Draft: Tier 4 car and van pollutant limits moved to model year 2029Draft
EPA proposed on 14 May 2026 to start the Tier 4 criteria-pollutant standards for light- and medium-duty vehicles in MY2029 instead of MY2027; Tier 3 limits apply meanwhile.
Cars, vans and pickupsepa.gov
None for the vehicle you picked.
Vehicle safetyRegulation
Electronic stability control required on all light vehicles
FMVSS 126 phased in from Sep 2008; every car, SUV, pickup and van of 10,000 lb GVWR or less built from 1 Sep 2011 must have ESC.
Cars, vans and pickupslaw.cornell.edu
Automatic emergency braking mandatory on new light vehiclesDated ahead
FMVSS 127 (2024) requires AEB, including pedestrian AEB, from 1 Sep 2029. Court review is paused and DOT said in March 2026 it is drafting a two-year delay.
Cars, vans and pickupsnelsonmullins.com
None for the vehicle you picked.
End of life and recyclingRegulation
Federal Battery Act on mercury and rechargeable batteries
Signed 13 May 1996: bans most mercury batteries and sets labelling and collection rules for nickel-cadmium and small sealed lead-acid batteries.
All vehiclesen.wikipedia.org
Cash for Clunkers scrappage scheme
The $3bn CARS programme (July to 24 Aug 2009) paid $3,500-4,500 vouchers for trading in older, thirstier vehicles; about 677,000 were scrapped with engines disabled.
Cars, vans and pickupsen.wikipedia.org
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Approval, testing and qualityCertification
OBD-II on-board diagnostics mandatory
From 1996 OBD-II is required on cars and petrol light trucks under 8,500 lb GVWR; by 2004 it covered all petrol vehicles up to 14,000 lb.
Cars, vans and pickupsen.wikipedia.org medium confidence
New NCAP driver-assist and pedestrian ratings pushed to 2027
Updates of Nov-Dec 2024 add pedestrian AEB, lane keeping and blind-spot checks plus a pedestrian-protection rating; a 22 Sep 2025 notice moved them from MY2026 to MY2027.
Cars, vans and pickupsenvironmentalhealthsafetybrief.sidley.com
None for the vehicle you picked.
Trade and marketCommercial
NAFTA enters into force
From 1 Jan 1994 the US, Canada and Mexico form a free-trade area that supersedes the 1988 Canada-US FTA; vehicles need 62.5% North American content to trade duty-free.
All vehiclesen.wikipedia.org
USMCA replaces NAFTA with stricter car rules of origin
In force 1 July 2020: cars need 75% regional content (62.5% under NAFTA) and 40-45% made by workers earning at least US$16 an hour, phased in over five years.
All vehiclesen.wikipedia.org
25% Section 232 tariff on imported cars and parts
From 3 Apr 2025 on vehicles and May on parts; only non-US content of USMCA cars is taxed. Deals later set 15% for Japan (from 16 Sep 2025), the EU and Korea, and 10% for most UK cars.
Cars, vans and pickupslegistorm.com medium confidence
Federal EV tax credits end
No new (30D, up to $7,500), used (25E) or commercial (45W) clean-vehicle credit for vehicles acquired after 30 Sep 2025; the charger credit (30C) ends 30 June 2026.
Cars, vans and pickups, trucksirs.gov
US declines to extend USMCA at first joint review
At the 1 July 2026 review the US did not confirm a 16-year extension, so annual reviews follow; the pact stays in force and expires 1 July 2036 unless extended.
All vehicleswhitecase.com
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Supply chain and materialsCommercial
Tesla-Panasonic Gigafactory in Nevada starts cell output
Mass production of 2170 cells began in January 2017 at the plant opened in July 2016; output reached about 30 GWh a year, and a 100 GWh expansion was announced in 2023.
Carsen.wikipedia.org
Chip shortage halts most GM North American car plants
In September 2021 GM paused almost all North American car output for one to two weeks; US new-car sales in Q3 2021 were about two-thirds of the 2020 level.
Cars, vans and pickupsen.wikipedia.org medium confidence
EV credit tied to North American battery and mineral sourcing
From 18 Apr 2023 the full $7,500 credit needs both the critical-mineral and battery-component tests ($3,750 each) plus North American assembly; it ended 30 Sep 2025.
Cars, vans and pickupsfueleconomy.gov
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Mobility and customersCommercial
California creates rules for ride-hailing companies
On 19 Sep 2013 the CPUC made Lyft, SideCar and UberX licensed 'transportation network companies' needing driver background checks and $1m insurance per incident.
Carstechcrunch.com
Waymo One robotaxi service opens in Phoenix
Launched 5 Dec 2018 in Chandler, Tempe, Mesa and Gilbert as Waymo's first commercial self-driving service, at first with trained safety drivers on board.
Carstechcrunch.com
Waymo robotaxis serve 10 US cities
By March 2026 Waymo ran in Phoenix, the SF Bay Area, Los Angeles, Austin, Atlanta, Miami, Dallas, Houston, San Antonio and Orlando, aiming for 1m paid rides a week by end-2026.
Carstechcentral.ie
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